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Development of Metarhizium anisopliae as a Mycoinsecticide: From Isolation to Field Performance

Development of Metarhizium anisopliae as a Mycoinsecticide: From Isolation to Field Performance

Published on: July 30, 2017

Evolution and the microbial control of insects.

Jenny S Cory, Michelle T Franklin

Evolutionary Applications

|September 6, 2012

Summary

Integrating evolutionary principles into insect pest management is key. Understanding pathogen diversity and host resistance evolution is crucial for successful biological control strategies.

Keywords:

Bacillus thuringiensis baculovirus diversity entomopathogen genotype × environment interaction local adaptation mixed infection resistance virulence

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Published on: March 31, 2022

Area of Science:

Entomology
Evolutionary Biology
Pest Management

Background:

Insect pathogens are vital for biological control strategies like inundative release, augmentation, and classical biological control.
Microevolutionary principles significantly impact the success of these pest management tactics.
Natural entomopathogen populations exhibit diversity, influencing pest suppression efficacy and isolate selection.

Purpose of the Study:

To highlight the importance of evolutionary principles in insect pest management.
To emphasize the role of pathogen diversity and host resistance in biological control success.
To identify factors influencing the evolution of resistance in insect pests.

Main Methods:

Review of existing literature on insect pathogens and pest management.
Analysis of factors contributing to field-evolved resistance in target hosts.
Examination of evolutionary dynamics in microbial control systems.

Main Results:

Pathogen diversity can be beneficial or detrimental, necessitating careful isolate selection.
Field-evolved resistance to entomopathogens like Bacillus thuringiensis and baculoviruses has been documented.
Factors such as strong selection, limited pathogen diversity, reduced gene flow, and host plant chemistry are linked to resistance.

Conclusions:

Evolutionary considerations are essential for optimizing insect pest management strategies.
Understanding and managing pathogen diversity and host resistance are critical for sustainable biological control.
Further research on pathogen population dynamics and host resistance evolution is needed.